`tuple` object has no attribute `insert`

[k-popfilters]

19:52:41.120 [ERROR] [inference\preset_infer.py:224] Fail to ensemble audio: 10 JLS - Superhero.wav. Error: 'tuple' object has no attribute 'insert'
Traceback (most recent call last):
File "C:\Users\Mikey\Downloads\MSST-WebUI-main\MSST-WebUI\inference\preset_infer.py", line 201, in ensemble
res, sr = ensemble_audios(ensemble_audio, ensemble_mode, ensemble_weights)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\Mikey\Downloads\MSST-WebUI-main\MSST-WebUI\utils\ensemble.py", line 150, in ensemble_audios
res = average_waveforms(data, weights, type)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\Mikey\Downloads\MSST-WebUI-main\MSST-WebUI\utils\ensemble.py", line 120, in average_waveforms
pred_track = absmax(pred_track, axis=0)
^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\Mikey\Downloads\MSST-WebUI-main\MSST-WebUI\utils\ensemble.py", line 37, in absmax
indices.insert((len(a.shape) + axis) % len(a.shape), argmax)
^^^^^^^^^^^^^^
AttributeError: 'tuple' object has no attribute 'insert'